1. step down 辞职;逐步减低
Mubarak would not step down.
穆巴拉克拒绝了辞职
。2. protest against 反对;对...提出异议
Students took to the streets to protest against the decision.
学生走上街头抗议这项决定
。3. put in place 到位;落实
With more effective measures put in place, the disease has been brought under control.
由于采取了更有效的措施,疾病已得到控制
。4. take to the street 走上街头(抗议;游行)
Groups of women took to the streets to protest against the arrests
成群结队的妇女上街抗议逮捕行动
。